suddenly, all of a sudden
Elle a pris du poids, subitement.
She gained weight suddenly.
— Le Conte de la princesse Kaguya (2013)
Ziri a subitement sauté.
Ziri suddenly jumped.
Le père de Clorinda était mort subitement, il y avait moins de six mois.
Clorinda’s father had died suddenly less than six months earlier.
Il est mort assez subitement d'une crise cardiaque.
He died quite suddenly of a heart attack.
Subitement, le superviseur a perdu son sang-froid.
Suddenly, the supervisor lost his temper.
La pauvre est claustrophobe, ça la prend subitement.
The poor woman is claustrophobic; it comes on suddenly.
— Volver (2006)